3661470

Information

• Patent Grant
• 3661470

• References
• Source

• Patent Number

  3,661,470

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  52 years ago

• CPC

  • B23G1/16 - in holes of workpieces by taps
  • B23G5/14 - Tapping-heads
  • Y10T408/6793 - Screw coaxial with Tool

• US Classifications

  • 408 - Cutting by use of rotating axially moving tool
  • 470 - Threaded, headed fastener, or washer making: process and apparatus